Question

What happens after genetically modified plasmids are inserted into bacteria?
A. The bacteria incorporate the plasmids into their main chromosomes.
B. The bacteria make proteins from the inserted modified genes.
C. The bacteria cause mutations in the plasmid genes.
D. The bacteria reject the altered plasmids.

Answer 1

I believe the answer is B.
You can find a neat little animation about it here: http://www.abpischools.org.uk/res/coResourceImport/modules/hormones/en-flash/geneticeng.cfm
You'll see that the plasmid is not accepted into the main chromosome, but remains a separate chain.